EP1845833A1 - Procede pour faire fonctionner un appareil menager conduisant de l'eau - Google Patents

Procede pour faire fonctionner un appareil menager conduisant de l'eau

Info

Publication number
EP1845833A1
EP1845833A1 EP05797269A EP05797269A EP1845833A1 EP 1845833 A1 EP1845833 A1 EP 1845833A1 EP 05797269 A EP05797269 A EP 05797269A EP 05797269 A EP05797269 A EP 05797269A EP 1845833 A1 EP1845833 A1 EP 1845833A1
Authority
EP
European Patent Office
Prior art keywords
hardness
degree
liquid
water
household appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05797269A
Other languages
German (de)
English (en)
Other versions
EP1845833B1 (fr
Inventor
Michael Rosenbauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL05797269T priority Critical patent/PL1845833T3/pl
Publication of EP1845833A1 publication Critical patent/EP1845833A1/fr
Application granted granted Critical
Publication of EP1845833B1 publication Critical patent/EP1845833B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4229—Water softening arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/11—Water hardness, acidity or basicity
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/18—Water softening devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42—Detergent or additive supply
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D06F2105/60—Audible signals

Definitions

  • the invention relates to a method for water softening in a liquid-operated water-conducting household appliance with a device for detecting a degree of hardness in the liquid and with a controlled by a control and / or regulating device signal device for outputting information about the degree of hardness.
  • German patent application DE 19721976 A1 discloses a method for determining an inadmissibly high degree of calcification of an optical measuring section for measuring the turbidity of a liquor in a domestic appliance operated with kalk Vietnamese water.
  • the household appliance has control and regulating electronics which evaluate the measuring signals of the measuring path and emit a control signal which activates a display element arranged on the household appliance.
  • the display device activated as a function of the degree of calcification, the user of the device is thus signaled that the degree of calcification of the device has reached a value that unfavorably influences the work results of the device or its components and / or its service life.
  • the user is on the one hand pointed to the imminent damage caused by calcification of the device.
  • such a display can be used on a targeted use of descaling agents and thereby avoiding their unnecessary use.
  • a disadvantage of this solution is that the measured value detected by the turbidity sensor measures an impermissibly high degree of hardness, in which calcification has already taken place in the household appliance.
  • the user is not informed prior to the onset of calcification in the household appliance in order to take early countermeasures that do not lead to damage in the household appliance.
  • the invention is therefore based on the object in water-bearing household appliances of the type mentioned to inform the user already about the degree of hardness, which threatens damage due to calcification in water-bearing appliance, but no damage in water-bearing appliance have occurred.
  • This object is achieved in that upon detection of an impermissible above or below a threshold level of hardness, the signaling device is activated.
  • the degree of hardness of the liquid is adjusted by an external water softening system such that the household appliance liquid is supplied with a permissible degree of hardness.
  • the main advantage is that lime-free liquid is supplied to the water-containing appliance by the setting on the external water softening system, which exclude damage in the water-bearing household appliance and the good to be washed.
  • the external water softening system is designed as a water softening system associated with a building.
  • This arrangement is particularly characterized by the fact that is dispensed with an additional water softening system in the water-bearing domestic appliance and thus costs in the design and assembly can be saved. Furthermore, by the waiver of the water softening system is in the water-bearing household appliance more space for the arrangement of other components available.
  • the water-conducting household appliance over a predetermined period of time detergent is supplied until the signaling device is deactivated.
  • the essential advantage is that it dispenses with a water softening system in the water-bearing household appliance, since the detergent lowers the degree of hardness of the liquid, so that it lies within the permissible range. This measure ensures that damage in the water-conducting household appliance and the goods to be washed are excluded. Furthermore, the user can recognize on the signaling device whether sufficient cleaning agent has been supplied to the liquid in the water-conducting household appliance, since the signaling device is deactivated at the permissible degree of hardness.
  • the cleaning agent is a descaling agent.
  • This solution is particularly characterized by the fact that the descaling agent is inexpensive to produce.
  • a lighting device associated with the signal device is activated by the control and / or regulating device.
  • an acoustic device assigned to the signal device is activated by the control and / or regulating device.
  • the device for detecting the degree of hardness is designed as an optical sensor.
  • optical sensor is very inexpensive to manufacture and the measured values are more accurately detected for determination, since the transmitter is less susceptible to disturbances caused by the liquid flowing around.
  • the device for detecting the degree of hardness is designed as a conductivity sensor
  • Figure 1 is a schematically illustrated dishwasher according to a first embodiment, with a pivotally mounted about a horizontal axis door, on the outside of an acoustic signaling device is arranged, and
  • Figure 2 shows a schematically illustrated dishwasher according to a second embodiment, with a pivotally mounted about a horizontal axis door, on the outside of a display device is arranged.
  • FIGS. 1 and 2 show two essentially similar dishwashers 1, V according to the invention with a housing 2, 2 '.
  • a not shown treatment room is accessible via door 3, 3 1 , which is pivotally mounted on a horizontal axis.
  • the door 3, 3 ' has an inner door, not shown, and an outer door 4, 4', on which an aperture 5, 5 'is arranged.
  • Operating elements 6, 6 1 are arranged, via which one can select a program with the individual program steps pre-rinsing, cleaning, intermediate rinsing, rinsing, drying.
  • the outer door 4, 4 1 has to open and close a at the aperture 5, 5 'arranged actuating handle 7, 7'.
  • a signal device 8, 8 1 for outputting information of an impermissible degree of hardness above or below a limit value is arranged on the diaphragm 5, 5 '.
  • the signaling device 8 is formed as an acoustic signaling device.
  • the acoustic signal device is formed in the illustrated embodiment as a speaker that outputs an acoustic signal at the impermissible above or below the threshold level of hardness.
  • the signaling device 8 ' is designed as a display device. On the display device 8 1 a lettering is visualized at the impermissible above or below the threshold level of hardness. Alternatively, the signaling device 8 'could also be designed as an LED which makes the impermissible degree of hardness above or below the limit mark by indicating a color.
  • the signaling device 8, 8 ' is connected to a not shown control and regulation electronics, which receives a measurement signal from a device, not shown, for detecting a degree of hardness of a liquid.
  • the device for detecting a degree of hardness in a liquid is designed as an optical sensor.
  • the device for detecting a degree of hardness can be designed as a conductivity sensor.
  • the optical sensor measures the degree of hardness of a liquid which is supplied to the dishwasher 1, 1 "In order to detect the degree of hardness, the optical sensor has a glass body, which contains small lime particles which lie at least in the microscopic range of the degree of hardness A transmitter of the optical sensor transmits light waves of the same frequency through the glass body to a receiver which is likewise assigned to the optical sensor The receiver measures the incoming light intensity and forwards the measuring signal to the control electronics.
  • the dishwasher does not work within the permissible range damaged and there are essentially no lime particles in the liquid, so that the receiver receives the maximum light intensity transmitted by the transmitter.
  • the impermissible area the dishwasher or the goods to be washed can be damaged and lime particles are present in the liquid.
  • the lime particles settle on the glass body of the optical sensor during operation of the dishwasher, so that the receiver does not receive the maximum light intensity transmitted by the transmitter, but only a reduced proportion of the light intensity transmitted by the transmitter.
  • microscopic lime particles are present in the impermissible degree of hardness, they have no influence on the life of the dishwasher. Therefore, damage in the dishwasher and the goods to be washed are excluded.
  • the limit value in the impermissible range of the degree of hardness is defined by the fact that first deposits of microscopically small lime particles form on the glass body of the optical sensor.
  • the receiver of the optical sensor in this case does not receive the maximum light intensity transmitted by the transmitter. If the degree of hardness of the liquid increases, the number of lime particles increases and the degree of hardness is above the limit value. As a result, the receiver receives a lower light intensity and the signaling device is activated via the control and regulating electronics, so that the user can initiate measures for decalcifying the liquid.
  • An alternative way of defining the limit is to calibrate the optical sensor at the factory. The limit value is then defined by the fact that the light intensity received by the receiver is equivalent to a factory-determined number of lime particles arranged on the glass body.
  • the receiver does not receive the maximum light intensity, but a higher light intensity than that in the factory-set calibration. In this case, the impermissible degree of hardness is below the limit in the impermissible range. It should be noted that the microscopic lime particles have no effect on the life of the dishwasher. In the event that the optical sensor measures the impermissible degree of hardness above or below the limit value, the receiver sends a measuring signal to the control electronics.
  • the control electronics then controls the signaling device, so that the user is informed of the increased degree of hardness.
  • the information may be delivered via the display or alternatively via the LED, as shown in Figure 1, or via the loudspeaker, as shown in Figure 2, which generates an audible signal.
  • the user is informed that he must take measures to lower the degree of hardness of the liquid.
  • he can set an external water softening system associated with the dishwasher 1, 1 '.
  • it can supply descaling agent to the dishwasher 1, 1 ', so that the degree of hardness is lowered.
  • the signaling device 8, 8 ' is deactivated by the control and regulating electronics, since the degree of hardness detected by the optical sensor is within the permissible range and thus can not be damaged by calcium deposits. Due to the decalcifying measures introduced, decanted liquid now flows around the glass body of the optical sensor, so that the microscopic lime particles arranged on the glass body are swept away and the glass body is free of lime particles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

Selon la présente invention, un capteur optique est monté dans un appareil ménager (1, 1') qui conduit de l'eau. Ce capteur optique mesure un degré de dureté dans un liquide et, lorsque celui-ci n'est pas acceptable car il est situé au-dessus ou en-dessous d'une valeur limite, il fournit des informations concernant ce degré de dureté par l'intermédiaire d'un système de signalisation (8, 8').
EP05797269.7A 2005-02-03 2005-10-21 Procede pour faire fonctionner un appareil menager conduisant de l'eau Not-in-force EP1845833B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05797269T PL1845833T3 (pl) 2005-02-03 2005-10-21 Sposób eksploatacji prowadzącego wodę urządzenia gospodarstwa domowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005005040A DE102005005040A1 (de) 2005-02-03 2005-02-03 Verfahren zum Betreiben eines wasserführenden Haushaltgeräts
PCT/EP2005/055469 WO2006081880A1 (fr) 2005-02-03 2005-10-21 Procede pour faire fonctionner un appareil menager conduisant de l'eau

Publications (2)

Publication Number Publication Date
EP1845833A1 true EP1845833A1 (fr) 2007-10-24
EP1845833B1 EP1845833B1 (fr) 2013-07-03

Family

ID=35592621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05797269.7A Not-in-force EP1845833B1 (fr) 2005-02-03 2005-10-21 Procede pour faire fonctionner un appareil menager conduisant de l'eau

Country Status (6)

Country Link
EP (1) EP1845833B1 (fr)
CN (1) CN1815239A (fr)
DE (1) DE102005005040A1 (fr)
ES (1) ES2422202T3 (fr)
PL (1) PL1845833T3 (fr)
WO (1) WO2006081880A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110139187A1 (en) * 2008-08-27 2011-06-16 Bsh Bosch Und Siemens Hausgerate Gmbh Method for operating a dishwasher
DE102012212638C5 (de) * 2012-07-18 2020-07-30 Premark Feg L.L.C. Spülmaschine sowie Verfahren zum Betreiben einer Spülmaschine
DE102015223371A1 (de) * 2015-11-26 2017-06-01 BSH Hausgeräte GmbH Sensorvorrichtung zum Bestimmen einer Eigenschaft einer Flüssigkeit, Verfahren zum Betreiben der Sensorvorrichtung sowie wasserführendes Haushaltsgerät mit der Sensorvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1279102B1 (it) * 1995-02-01 1997-12-04 Merloni Elettrodomestici Spa Macchina di lavaggio con sistema di controllo elettronico a programmazione semplificata e relativo metodo di programmazione.
DE29611091U1 (de) 1996-06-25 1997-10-23 AEG Hausgeräte GmbH, 90429 Nürnberg Flüssigkeitsführendes Hausgerät mit einer Programmsteuerung
DE19721976B4 (de) * 1997-05-26 2008-07-24 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Feststellen eines unzulässig hohen Verkalkungsgrades in einem wasserführenden Haushaltsgerät
DE19841568A1 (de) * 1997-11-26 1999-05-27 Miele & Cie Verfahren und Anordnung zur Bestimmung des Regenerierzeitpunktes einer Wasserenthärtungseinrichtung insbesondere für wasserführende Haushaltgeräte
DE19825981C2 (de) * 1998-06-10 2003-04-10 Bsh Bosch Siemens Hausgeraete Verfahren und wassführendes Haushaltsgerät zur Wasserenthärtung
DE10011692A1 (de) * 2000-03-10 2001-09-13 Aweco Appliance Sys Gmbh & Co Haushaltsmaschine zur Reinigung von Gegenständen
DE10260160A1 (de) 2002-12-20 2004-07-08 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006081880A1 *

Also Published As

Publication number Publication date
PL1845833T3 (pl) 2013-11-29
WO2006081880A1 (fr) 2006-08-10
ES2422202T3 (es) 2013-09-09
DE102005005040A1 (de) 2006-08-10
CN1815239A (zh) 2006-08-09
EP1845833B1 (fr) 2013-07-03

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